A soft metal or nonmetal sleeve, designed to mate with a pin-rivet. it may include an external wrenching facility which breaks off at a perdetermined torque to form a head.
NSN 5925-01-341-6412
NSN 5895-00-912-4745
NSN 5985-01-574-4900
NSN 7035-01-576-9617
NSN 5835-00-280-8494
NSN 6685-01-487-5624
NSN 5985-00-816-2986
NSN 2925-01-295-9337
NSN 2925-01-442-4171
NSN 5905-01-512-3001
NSN 5990-01-503-0194
NSN 5985-01-245-7487